477777349 has 16 divisors (see below), whose sum is σ = 565977600. Its totient is φ = 394619904.

The previous prime is 477777341. The next prime is 477777359. The reversal of 477777349 is 943777774.

It is a happy number.

It is not a de Polignac number, because 477777349 - 2³ = 477777341 is a prime.

It is a super-3 number, since 3×477777349³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 477777349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (477777341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115092 + ... + 119170.

It is an arithmetic number, because the mean of its divisors is an integer number (35373600).

Almost surely, 2^477777349 is an apocalyptic number.

It is an amenable number.

477777349 is a deficient number, since it is larger than the sum of its proper divisors (88200251).

477777349 is a wasteful number, since it uses less digits than its factorization.

477777349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4692.

The product of its digits is 7260624, while the sum is 55.

The square root of 477777349 is about 21858.1186061381. The cubic root of 477777349 is about 781.7631324298.

The spelling of 477777349 in words is "four hundred seventy-seven million, seven hundred seventy-seven thousand, three hundred forty-nine".